FR1557212A - - Google Patents

Info

Publication number
FR1557212A
FR1557212A FR1557212DA FR1557212A FR 1557212 A FR1557212 A FR 1557212A FR 1557212D A FR1557212D A FR 1557212DA FR 1557212 A FR1557212 A FR 1557212A
Authority
FR
France
Prior art keywords
area
areas
light transmission
light transmitting
opaque
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
English (en)
French (fr)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR1557212A publication Critical patent/FR1557212A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/04—Contact lenses for the eyes
    • G02C7/041—Contact lenses for the eyes bifocal; multifocal
    • G02C7/044—Annular configuration, e.g. pupil tuned
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/04—Contact lenses for the eyes
    • G02C7/041—Contact lenses for the eyes bifocal; multifocal
    • G02C7/042—Simultaneous type
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/04—Contact lenses for the eyes
    • G02C7/041—Contact lenses for the eyes bifocal; multifocal
    • G02C7/045—Sectorial configuration

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
  • Lenses (AREA)
FR1557212D 1967-04-20 1968-02-22 Expired FR1557212A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63239867A 1967-04-20 1967-04-20

Publications (1)

Publication Number Publication Date
FR1557212A true FR1557212A (enExample) 1969-02-14

Family

ID=24535372

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1557212D Expired FR1557212A (enExample) 1967-04-20 1968-02-22

Country Status (4)

Country Link
DE (1) DE1772252A1 (enExample)
ES (1) ES352876A1 (enExample)
FR (1) FR1557212A (enExample)
GB (1) GB1178211A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5980040A (en) * 1997-06-30 1999-11-09 Wesley Jessen Corporation Pinhole lens and contact lens
US6457826B1 (en) 1998-08-06 2002-10-01 John B. W. Lett Multifocal aspheric lens

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989007281A1 (en) * 1988-02-01 1989-08-10 Steve Newman Pattern contact lens

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5980040A (en) * 1997-06-30 1999-11-09 Wesley Jessen Corporation Pinhole lens and contact lens
US6457826B1 (en) 1998-08-06 2002-10-01 John B. W. Lett Multifocal aspheric lens

Also Published As

Publication number Publication date
GB1178211A (en) 1970-01-21
DE1772252A1 (de) 1971-02-11
ES352876A1 (es) 1969-10-01

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse